Home / 33,137.30-45,728.11-18,030.02

Finding the Fourth Proportional to 33,137.30, 45,728.11 and 18,030.02

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Solution

The fourth proportional to 33,137.30, 45,728.11 and 18,030.02 is: 24,880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,137.30 : 45,728.11 = 18,030.02 : x
  2. Step 2: Convert to fraction form
    33,137.30/45,728.11 = 18,030.02/x
  3. Step 3: Cross multiply
    33,137.30x = 45,728.11 × 18,030.02
  4. Step 4: Simplify right side
    33,137.30x = 824,478,647.71
  5. Step 5: Solve for x
    x = 824,478,647.71/33,137.30
  6. Step 6: Final answer
    x = 24,880.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.